Portrait of Philip Yorke (1757-1834) 3rd earl of Hardwicke - Buss, R. W. (My University, 2010)
Formerly thought to be by William Cuming, but inscribed on back of Crookshank-Glin image it says this is a copy by Buss after Thomas Lawrence. http://www.npg.org.uk/collections/search/portrait.php?search=ss&sText=yorke%2C+philip&LinkID=mp55394&rNo=0&role=sit
Keywords: Art -- Irish; Yorke, Philip, Earl of Hardwicke, 1757-1834; Lawrence, Thomas, Sir, 1769-1830; Lord lieutenants; Portrait painting--19th century